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Filename Reactive-Power-Requirements-for-PV-and-Wind-SAND2012-1098.pdf
filesize 455.51 kB
Version 1
Date added October 31, 2014
Downloaded 11510 times
Category Energy Security, Grid Integration, Photovoltaic, Renewable Energy, Solar Energy
Tags sand2012-1098
year 2012
author Abraham Ellis, Robert Nelson, Edi Von Engeln, Reigh Walling, Jason McDowell, Leo Casey, Eric Seymour, William Peter, Chris Barker, and Brendan Kirby
report-id SAND2012-1098

Voltage on the North American bulk system is normally regulated by synchronous generators, which typically are provided with voltage schedules by transmission system operators. In the past, variable generation plants were considered very small relative to conventional generating units, and were characteristically either induction generator (wind) or line-commutated inverters (photovoltaic) that have no inherent voltage regulation capability. However, the growing level of penetration of non-traditional renewable generation – especially wind and solar – has led to the need for renewable generation to contribute more significantly to power system voltage control and reactive power capacity. Modern wind-turbine generators, and increasingly PV inverters as well, have considerable dynamic reactive power capability, which can be further enhanced with other reactive support equipment at the plant level to meet interconnection requirements. This report contains a set of recommendations to the North-America Electricity Reliability Corporation (NERC) as part of Task 1-3 (interconnection requirements) of the Integration of Variable Generation Task Force (IVGTF) work plan. The report discusses reactive capability of different generator technologies, reviews existing reactive power standards, and provides specific recommendations to improve existing interconnection standards.